等效電導率 的英文怎麼說

中文拼音 [děngxiàodiàndǎo]
等效電導率 英文
equivalent conductivity
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : 率名詞(比值) rate; ratio; proportion
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,果十分理想: 1將計算得到的可變的m指數與聲波和分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. Relation between the equivalent resistance and frequence in transmission line

    載流阻與頻關系研究
  3. The equivalent - circuit parameters and resonant frequencies of the piezoelectric quartz crystal resonance, the value of half peak width of the electroacoustic conductance spectrum ( fg1 / 2 ) as well as the electrical double - layer capacitance were obtained and analyzed

    獲得並分析了pqc諧振路參數、諧振頻譜半峰寬f _ ( g1 2 )和雙容,考察了極界面發生的吸附動力學過程。
  4. The equivalent circuits is synthesized for the case where the te10 mode is the only propagating waveguide mode, which based on basic waveguide - circuits equivalent circuits such as cross - coupled coaxial line rectangular waveguide junctions, rectangular waveguide transmission lines etc. then we make the computation program for the equivalent circuits to analyse and optimize the vco circuit, and get the each parameter ' s influences on vco output signal

    本文從波路的路出發,綜合出3mmvco基波工作時只考慮te10模的路,依據此編製程序完成了振蕩器路的分析優化,得出了路中各個參數對振蕩器頻溫度穩定度性能的影響。
  5. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型化學抑制柱為例,分析了化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的和離子交換膜的極限流密度,因此採用中交換能力的離子交換樹脂作為抑制室的填料以提高,在通常情況下可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有面積達到提高極限流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共極式高容量化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確優點。
  6. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論,在非線性磁場計算中:採用迭代法的情況下,在各迭代循環之間進行磁修正時,一個欠鬆弛迭代過程是必需的;對永磁體中的流修正時可以不作欠鬆弛迭代;在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值,會使得插值求出的磁在該磁飽和值附近有一突變,這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中,由於微波管磁路比較復雜,作者認為磁體的工作點並不能很好地反映磁體的工作狀態,而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況;要表示磁系統設計好壞的程度,則用磁能利用的為標準更好。
  7. A analysis of these effect to the pattern is presented. in the mean time, the method of correcting the phase errors is given by shortening or lengthening the section of sinuous feed line between couplers from the normal value. 6. the reflection characteristic of a serpentine is analyzed where the coupler is replaced by the equivalent of two ports loss network

    提出了用有耗二埠網路來耦合器的方法,對由耦合器、饋和波彎頭級聯的慢波線系統的駐波特性進行了分析計算,針對慢波線在設計測射頻上大反射問題,討論了多種解決辦法。
  8. Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal

    近年來,壓傳感器檢測技術逐漸成為生物分析中的研究熱點,其基本原理是利用石英晶體振蕩特性對石英晶體表面質量負載(質量應)和反應體系物理性狀如密度、粘度、(非質量應)的改變具有高度敏感的特性,通過對石英晶體進行適當的生物學處理和結構設計,構建出具有具有ng級檢測能力的生物傳感器。
  9. It is a new branch to band piezoelectric chemistry and biological sensing technology. piezoelectric sensors are highly sensitive to multiple signals such as the surface mass and the density, viscosity, conductivity, dielectric effect of the liquid. the piezoelectric sensors are especially suitable for analysis of the proteins with high molecular weight

    傳感器除了可響應質量應外,還可響應溶液的粘度、密度、介常數、多種信號,除了氣相之外,當前的壓傳感器還提供液相壓傳感理論和應用技術,尤其是用於生物大分子的測定。
  10. Ema, assumes the components distributed in highly random fashion, is a useful method to treat the transport properties of granular composites, and the effective conductance of composites could to be derived sell - consistently by substituting the actual enviroment of the studied grain with effective medium

    介質理論能夠有地處理顆粒復合體系的輸運性質。它假設體系中各種組分以顆粒形態隨意分佈,用介質替代被研究顆粒外部的介質分佈,並且自洽地求出體系的等效電導率
  11. Starting with automation system, this paper, firstly, outlines the status of sensor lying in automation field and its developing state, shows the superiority about eddy current test by comparing it with the other nondestructive tests, expatiates the modern developing state about eddy current technology both here and there, shows the vista about eddy current test in our country and the background of the subject about the test for the width and thickness of stripe in the in - wall of cylinder after laser thermal treatment. secondly, beginning with maxwell equation in electromagnetic field theory and combining with some electromagnetic phenomena in real life, this paper explains qualitatively the operating principle about eddy current technology and the test theory for multi - parameter test with multi - frequency by math illation and gives some applying occasions about it

    通過同其它幾種無損檢測技術的比較,給出了渦流技術的優越性,闡述了國內外渦流技術的發展現狀,展望了我國渦流技術發展的未來,給出了汽缸內壁激光熱處理條紋厚度與寬度的檢測這個課題的背景;然後從磁場理論中的麥克斯韋方程出發,通過一系列的數學嚴密推,並結合現實生活中的一些磁現象,定性地解釋了渦流技術的原理,以及渦流傳感器多頻多參數的檢測原理,給出了渦流技術的部分應用場合,以及渦流檢測的路。
  12. A fem software as an important tool, work has been done as follows : the method using fem to design anomalous structure of transducers was adopted ; the vibration modes of the elastic pipe, ultrasonic transducers and system has been analyzed in piezoelectric coupled field. resonant frequencies of the transducers have been matched quite well with resonant frequencies of pipe, which can make it easy and accurate to design a transducer. the values of equivalent dynamic capacitors and dynamic inductances of ahead nine orders have been gotten derived by fem method, and fem equivalent circuit of the transducers has been built

    以ansys有限元軟體為主要分析工具完成了設計工作;在經典換能器設計理論和前人經驗的基礎上,對不規則形狀的換能器採用了有限元的方法設計;在耦合場中分析了換能器、管及整體裝置的振動情況,使換能器的諧振頻管的諧振頻達到了較好的匹配,使設計變得更加容易和準確;利用有限元方法建立了振子的路模型,求出了其前6階模態的動態感值,為阻抗匹配和驅動路的設計提供了依據。
  13. Then virtual dielectric constant method is adopted to calculate the electric field distribution with floating electrodes, and equivalent conductance rate method is adopted to calculate the electric field distribution with surface filth or local puncture in the insulator, furthermore the value scope of virtual conductance rate and equivalent conductance rate are discussed and some useful results are got. for the solution of vortex loss of silicon steel sheets concerning current transformer, the h solution has also been put forward rather than traditional a ? ( p method in order to reduce calculation load

    採用虛擬介常數法計算絕緣子存在懸浮體的場分佈,採用等效電導率法計算絕緣子存在表面污穢或局部擊穿情況下的場分佈。對虛擬介常數和等效電導率的取值范圍進行了討論,得出了一些有用的結論。對于流互感器硅鋼片渦流損耗的計算,本文提出了不同於傳統的a -方法的h求解辦法,從而大大簡化了計算。
  14. Abstract : spraying chemical controlling matter ( drought - resistant agent ) on wheat blade in medium - late growth period. we found it influenced transpiration rate, water - retaining capacity, containing water content of dry weight, seeping conductive rate, chlorphyll content and so on in different degree, and improved the moisture content stage of wheat, reduced the seeping of electrolyte, have an obvious effect on delaying decrepit and increasing production

    文摘:小麥生育中後期葉面噴施化學調控物質(抗旱劑) ,對蒸騰速、保水力、干重含水量、外滲和葉綠素含量均有不同程度的影響,明顯地改善了小麥的水分狀況,降低了解質的外滲,有明顯的保綠延緩衰老的作用,增產果顯著。
  15. These studies in the thesis have been done as follows : it is proved that if the three - phase single - switch boost type power - factor - correction can work in continuous - current - mode, its power factor can not reach unity. therefore, it is not qualified for high power and high requirement application. according to the ac side equivalent circuit of the three - phase three - switch boost type power - factor - correction, the equations to realize unity power factor have been deduced and realized by integrate - reset - control circuit

    本論文把積分復位控製成功應用於三相功因數校正技術中,作了以下幾方面的研究: 1 .從理論上證明了三相單開關boost型pfc即使工作在ccm ,其功因數也不能達到1 ,在大功和對功因數校正能力要求較高的場合,三相單開關boost型pfc達不到要求, 2 .根據三相三開關boost型功因數校正交流側的路,推出實現單位功因數所需的控制方程,並用積分復位控制路進行實現,在理論研究的基礎上進行了模擬研究。
  16. In order to meet the needs of real time computation of electric power system state estimation, the estimation algorithm based on decomposing the measurement of voltage scope and power scope and the estimation algorithm based on the measurement transformation of the equivalent current are brought forward and deduced in this thesis. these two algorithms all can make the jacobian matrix a constant matrix and they are stimulated

    為了滿足力系統狀態估計實時性的要求,本文首先提出並推了可以使雅可比矩陣為常數陣的基於分解壓測量量和功測量量的估計演算法和基於流測量變換的估計演算法,並對此進行了模擬。
  17. This paper uses the theory of equivalent circuit and equivalent membrane to analyze the influence of metallic mesh on radar wave shielding, deduce the relational expression between shielding efficiency and metallic mesh ’ s width, period

    路模型和膜理論,分析了金屬網柵結構參數對雷達波屏蔽作用的影響,推出了屏蔽與金屬網柵周期和線寬的關系式。
  18. The damping behavior of the multi - energy transitions mechanism is obvious only when the vgcf content is among semi - conductive area. ( 3 ) the cpe / pzt / vgcf composites can be presumed as a circuit composed of a resistance and a capacitor, which can successfully explain the phenomenon that multi - energy transitions mechanism takes effect only in the vgcf semi - conductive area

    博士論文:基於多重能量轉換的高性能減振材料的研究( 3 )可以將cpe / pzt / vgcf復合材料設計成一個包含阻和容的迴路,這樣可以很好的解釋在vgcf的半區間內,復合材料具有較高的時復合材料的壓減振作用更為明顯。
  19. Taking the hvdc systems as a variable admittance connected at the inverter or rectifier ac bus, the analytical description of the relationship between the variable admittance and active power flows of each generator can be derived. the traditional generator dynamic equations can thus be expressed with the variable admittance of hvdc systems as an additional state variable and changed to an affine form, which is suitable for the global linearization method being used to determine its control variables

    該方法基於微分幾何理論,將直流輸系統為兩個分別連接在整流側和逆變側的變納支路;在推出直流輸系統的納與各發機輸出磁功間的解析關系后,傳統的發機動態方程可被表示成仿射非線性的形式,因而可應用全局線性化方法來求得直流輸系統的調制量。
  20. Relationship between the equivalent resistance of transmission line and the frequency of current in it

    傳輸阻與頻的關系研究
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